package jdbc;

import jdk.nashorn.internal.ir.CatchNode;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

/*
执行update语句
 */
public class JDBCDemo3 {
    public static void main(String[] args) throws Exception {
        try (
            Connection connection=DBUtil.getConnection();
        ) {
            Statement statement = connection.createStatement();
            String sql = "UPDATE userinfo " +
                         "SET password='88888888' " +
                         "WHERE username='李费水'";
            System.out.println(sql);
            int num = statement.executeUpdate(sql);
            if (num > 0) {
                System.out.println("修改成功");
            } else {
                System.out.println("修改失败");
            }
        }catch (SQLException e){
            e.printStackTrace();
        }



    }
}
